Hardware Questions

Does anyone know of some type of device that I can plug into my PC that will let me remotely advance the slides in Media Shout? There are times where it would be nice if my pastor could advance the slides during his sermon without having to tell the operator when to do it. The simpler the better. Something that can emulate the spacebar press on the keyboard. Thanks Hey Jay! Any Programmable Remote would work really well with MediaShout! This would give you the ability to assign the forward but...